steve osunsami on the story tonight. >> reporter: as divorces go, this one is humongous. it could split control of america's fastest growing oil company. and could lead to a record-breaking paycheck for the wife who says her husband cheated. >> this is going to be watched on main street as well as wall street and possibly internationally. because of the numbers involved. >> reporter: harold hamm is the husband in the dog house. number 35 on the forbes list of richest americans. worth $11 billion. a self-made man who started in the business scrubbing out the inside of oil barrels 50 years ago. >> and there was a lot of oil people around. i had never been around people like that. >> you wanted to be like that? >> i wanted to be like them. >> reporter: sue ann hamm is his wife of 25 years. on the table is his 68% stake in continental resources. the company she helped him build. >> the wife was a lawyer and economist. that's a bad combination for him. >> reporter: without a prenup, this becomes the biggest war of the roses ever. nearly twice the $1.7 billion settlement of the